When comparing Sennheiser 4.50 BTNC vs Naztech i9BT, the Slant community recommends Naztech i9BT for most people. In the question“What are the best wireless headphones around $200?” Naztech i9BT is ranked 2nd while Sennheiser 4.50 BTNC is ranked 3rd. The most important reason people chose Naztech i9BT is:
The over-ear, closed back design allows for good sound isolation, minimizing sound leak while also minimizing the outside noise that can interfere with the music. This is further enhanced by active noise cancellation, which actively blocks out noise frequencies.
Specs
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Pros
Pro Mediocre noise cancelling
The active noise cancelling feature can reduce a good amount of ambient noise that may mix in with your music, though it doesn’t completely eliminate both high and low-pitched noise if they're loud enough.
Pro Good battery life
The headphones can last around 19 hours from a full charge on wireless mode with noise cancelling on. When on wired mode, it can last 25 hours with noise cancelling which is pretty decent for its class.
Pro Can fold to a compact size
These headphones can easily fit inside a bag or purse, and should be easy to carry. The ear cups can fold up to the headband, reducing the headphones’ overall size.
Pro Great mids and bass
The mids of the 4.50 BTNC sounds natural and clear. Music with a lot of vocals and guitars will definitely sound great with these headphones. The bass is not very powerful, but still provides a satisfying thump to the music. Overall, these headphones sound warm and laid back, great for casual music listening.
Pro Good passive noise isolation with active noise cancelling
The over-ear, closed back design allows for good sound isolation, minimizing sound leak while also minimizing the outside noise that can interfere with the music. This is further enhanced by active noise cancellation, which actively blocks out noise frequencies.
Pro Long listening sessions should not be a problem
From a full charge, these headphones can give you 12 hours of playback when listening to music via Bluetooth along with active noise cancelling on. Playback time can last up to around 15 hours with noise cancelling off.
Pro Active noise cancelling can be used on its own
You can turn on just active noise cancelling feature without the music, for when you just want to shut out outside noise.
Pro Feature rich for the price
The i9BT has a good combination of features that is difficult to find in its price range. It has a fun sound, a closed back design for good noise isolation and active noise cancelling.
Pro Powerful bass and bright highs
The i9BT has a V-shaped sound signature where the mids take a bit of a back seat in favor of the low and high frequencies. The bass is quite powerful so bass drum hits definitely have a lot of punch and depth. This is balanced out by highs that are very airy, bordering on harsh.
The powerful bass makes the i9BT great for bass heavy music like hip hop and dance. The overall V-shape sound however also makes these headphones a good pick for rock and pop genres.
Pro Feels very soft on the head
Along with the fairly thick and high quality memory foam used on the head band and ear cups, the cushions' surface features real leather. Not only does this combination feel really soft, but is also quite smooth on the skin.
Cons
Con Muddy treble
You may find the sound to be too laid back or lacking in detail. The high frequencies are slightly rolled off, so these may not be the best option if you love to hear the fine details of your music.
Con Strong clamping force
You may feel some discomfort on your head when wearing these headphones for extended periods. The clamping force is quite strong, and may give a pinching sensation on your head.
Con Noise cancelling can introduce hiss
Some users hear hiss added to the music with active noise cancelling on. This can be distracting, especially if you are sensitive to these high frequencies.